Saturday, May 24, 2008

From Pakistan, the Inventor Spirit

I wouldn't ordinarily post about electric bikes, but there's a post here about the bike pictured above and the man from Pakistan who put it together. It's a good story.

Instead of using expensive speed controller I've used relays to
connect batteries (4 of them) parallel and series to get 12, 24, 36
and 48 volts by a throttle switch that I designed it my self by using wood....

Most importantly I've not connected the motor directly to the wheel,
instead I've connected it to the gearing mechanism so this gives me
the choice to go for speed on straight roads and go for torque on
hills. This saves my batteries and reduces the load on motor.

With slight power of paddling it is giving me 60 km/hr these days,
I¢m really enjoying my ride to my office which is about 14 km away.

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